Prayer is necessary for the spiritual life because there is no growth without nourishment, and prayer is the most necessary nourishment for the spiritual life. Prayer is not a parenthesis in our daily lives, but it must be the basis of them, and that is why it must last, following Jesus' advice: pray and do not stop. To pray well, humility is a basic condition... Catechesis on persevering prayer, in collaboration with Fr Ratinarivony Laurent.